On Wed, Sep 11, 2013 at 07:41:36PM -0500, Charles Steinkuehler wrote:
> If there are no objections, I will add a header indicating I release the
> various device tree files I wrote into the public domain.

I would greatly prefer not calling new contributions to LinuxCNC "public
domain".  As we have seen, this leads to FUD, including some people
claiming that it's possible that none of LinuxCNC is protected by
copyright.  If you want to apply a liberal license which is
GPL-compatible, I believe the BSD-without-advertising, MIT, and zlib
licenses are frequently suggested for this purpose.

I singled out the files I mentioned because they looked to me "like
code".  Traditionally, "configuration files" in our tree have not had
any copyright notice or license and I don't know why that is.

It absolutely would not *hurt* for configuration files to have license
statements, because when it comes to configuration files, we should be
just as clear that people have the right to use, modify, and
redistribute them as we are when it comes to the source code.

I personally prefer that each individual file have a copyright notice
and license grant where possible, because a file is often a fundamental
unit that people copy around.  This follows the GPLv3's suggestion that
"[i]t is safest to attach [terms and conditions] to the start of each
source file"; the GPLv2's wording is just about identical.  

Jeff

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